National / PCC88/7DJ8-NATIONAL MATSUSHITA

PCC88/7DJ8-NATIONAL MATSUSHITA PCC88/7DJ8-NATIONAL MATSUSHITA Click on image(s) above to view larger
£10.00
£8.00
Select Test Options
  • Factory Tested
  • Balanced (Matched)

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Original National PCC88 made by the Matsushita Corporation of Japan.

These have had rave reviews all over the Audio world as a replacement for the ECC88, E88CC and 6922 family of valves. The only difference is the PCC88 has 7 volt heater whereas the ECC88 & 6922 family of valves has a 6.3 volt heater. So the valves are totally interchangeable.

A problem that is widely reported on the internet that many people have had with American high end amplifiers such as Conrad-Johnson. These amplifiers run the heater voltages on the ECC88 6922 in excess of the 6.3 volts. This causes the valve to go noisy after around 200 hours use.

The PCC88 having a 7 volt heater in this application gives extended life and the same Audio performance. They are also cheaper than their 6.3 volt rated brothers.
So it is simple win all the way round.

The National Matsushita PCC88 is considered one of the best sounding low noise replacements for the ECC88, 6922, 6DJ8, E88CC family of valves. They come with the original print in the original National red boxes


We offer two options:
1) Factory tested
2) Balanced -matched triode sections for Phase splitter, Audio & Tube microphones

All Balanced preamp valves are Dynamically Drive tested under real working condition have passed the following tests:

Gain (db) Drive Tested
Transconductance (gm) Drive Tested
Output Drive Tested
Noise 1 (signal to noise)
Noise 2 (Aural)
Microphonics Test 1(Ambient)
Microphonic Test 2 (Shock)
Cathode Test
Grid Leakage Test

If you want a matched pair then by ordering 2 of the balanced valves you will get a matched pair

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